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Note 17 - Related Party Transactions (Detail) (USD $) | 12 Months Ended | 7 Months Ended | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2012 RLW [Member] | Dec. 31, 2011 RLW [Member] | Dec. 31, 2012 Aircraft Services [Member] RLW [Member] | Dec. 31, 2011 Aircraft Services [Member] RLW [Member] | Dec. 31, 2012 Aircraft Services [Member] | Dec. 31, 2012 KIWA Properties LLC [Member] | Dec. 31, 2012 JBC [Member] | Dec. 31, 2011 JBC [Member] | Dec. 31, 2012 RHB [Member] | Dec. 31, 2012 Myers [Member] | Dec. 31, 2011 Myers [Member] | Dec. 31, 2011 Main Office [Member] | Dec. 31, 2011 Equipment Maintenance Shop [Member] | Dec. 31, 2011 Field Housing [Member] | Dec. 31, 2012 Less Than [Member]
Revenue from Related Parties |  | $ 283,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Profit From Related Party |  | 46,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction, Amounts of Transaction |  | 3,200,000 |  | 1,000,000 | 615,000 | 52,000 | 72,300 | 34,000 |  |  |  |  |  |  | 80,800 | 71,700 |  |
Collections From Related Parties |  | 525,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Provision for Doubtful Accounts |  | 24,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction, Expenses from Transactions with Related Party |  |  |  |  |  |  |  |  |  |  |  |  | 243,000 | 274,000 |  |  |  | 102,000
Noncontrolling Interest, Ownership Percentage by Parent |  | 98.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Leases, Rent Expense | 1,200,000 | 1,400,000 | 1,200,000 |  |  |  |  |  |  | 95,000 | 40,000 |  |  |  | 228,500 | 178,300 | 47,000 |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  |  |  | 100.00% |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |
Term of Lease |  |  |  |  |  |  |  |  | 18 years |  |  |  |  |  |  |  |  |
Monthly Operating Lease |  |  |  |  |  |  |  |  |  | $ 8,000 |  |  |  |  |  |  |  |

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